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Dwarf Planet Pluto

A dwarf planet that was the 9th planet from the Sun in our solar system until 2006 when it was determined it did not satisfy the requirements of being a planet.

2,286 Questions

What is the description of Pluto?

Pluto received a new designation in 2006 as a Dwarf Planet, formerly a planet but now listed in the Minor Planet Catalogue. It is also categorized as a Trans-Neptunian Object and sometimes called a Plutoid or Ice Dwarf.

Because of its distance from Earth it is hard to study - but in 2015 a probe should reach it and give more detailed information. At this time it is assumed to be composed of frozen gas like methane and nitrogen, with a thick layer of water ice, and likely have a rocky core.

How large is the moon charon in comparison to earth?

Charon, the largest moon of Pluto, is about half the size of Earth's moon. It has a diameter of around 751 miles (1,212 kilometers), while Earth's moon has a diameter of about 2,159 miles (3,474 kilometers).

What is Plutos symbol?

The symbol for Pluto, the dwarf planet, is a capital letter "P" with a stylized representation of the god Pluto's helmet.

What causes the color of Pluto atmosphere or surface?

The reddish color of Pluto's atmosphere is thought to be due to tholins, which are complex organic molecules formed when ultraviolet light interacts with methane and nitrogen in the atmosphere. The surface of Pluto has a variety of colors, including reddish-brown, white, and grey, which are likely due to the presence of ices such as methane, nitrogen, and carbon monoxide, as well as dark patches of tholins and other organic materials.

How long is Pluto's month?

Pluto's month, defined as the time it takes for the dwarf planet to complete one orbit around the sun, is about 248 Earth years. This means that it takes that long for Pluto to complete a full cycle of seasons.

Why it takes Pluto more time than Neptune to orbit the Sun?

Yes, some planets do take longer to rorbit around the sun. It takes earth 365 days, hence a year being 365 days. Saturn, the 6th planet from the sun, takes 10,759 earth days to orbit around the sun.

What is our Sun's length of orbit?

About 165 thousand light years. A galactic, or cosmic, year, during which our Sun completes one orbit within the Milky Way Galaxy, is said to be about 225 million years. It is thought that since we're about 30,000 light years from the center of our galaxy the orbital speed of our Solar System is approximately 220 kilometers/second. So since there are 7,100,460,000,000,000 seconds in 225,000,000 years, we have a length of orbit of 220 times that. That is 1,562,101,200,000,000,000 kilometers, or 970,644,685,000,000,000 miles. In more reasonable units, that's a distance of 165,117.754 light years.

Why does it take Pluto the longest time to make a complete revolution around the sun?

Pluto has the longest orbit in length as it is further away from the sun than the other planets. If we model the orbit of all the planets as perfect circles, we can see that planets further from the sun give orbits which are larger circles, and larger circle have larger circumferences, which are the longer orbits. Even if the planets orbited at the same speed, Pluto would take longer to orbit as it has further to travel.

Pluto doesn't orbit at the same speed as other planets - it orbits more slowly. This means it takes even longer to orbit the sun. It orbits more slowly as it is further out and the sun exerts less of a gravitational force on Pluto than on the other planets, and it is this gravitational force which causes objects to orbit around the sun. In fact, the sun exerts 1600 times as much force on Earth than on Pluto.

What is Pluto's nickname?

Two of Pluto's nick names are; The small planet and the dwarf planet and some people call it the gas planet as Pluto,s atmosphere is made up of mostly methane (CH4).

Where is Pluto location?

Pluto orbits the Sun at a distance of 4.4 to 7.4 billion kilometers (29 to 39 AU). At its closest positions (approximately 8% of its elliptical orbit) it is closer to the Sun than the planet Neptune. This wide spherical expanse of space is called the Kuiper Belt, and contains many objects of asteroidal size (some are mostly frozen gases). (see related question)

Why is Pluto named after a god?

The official names of planets and their moons are governed by an organization called the International Astronomical Union (IAU). The IAU adopted or rather continued the convention of naming the planets circling the Sun with the names of Mythological gods of the Roman pantheon (Pluto is the Roman name for the Greek god Hades).

Also ... Pluto (Hades) ruled the outer dark.

Hades ruled the Underworld. He spent most of his time in the Underworld rather than Mount Olympus with his fellow Olympians. Hades was far away from the rest of the gods just as Pluto is far away from the rest of the planets.

Why is Pluto important?

Pluto is important because it provides insights into the outer regions of our solar system and helps scientists understand the diversity of objects that exist beyond the eight planets. Studying Pluto can also reveal information about the formation and evolution of our solar system.

Find the distance of Pluto Eris and Ceres from the Sun at the beginning of the year 2010?

Pluto was about 4.67 billion miles away from the Sun, Eris was about 5.67 billion miles away, and Ceres was about 257 million miles away at the beginning of the year 2010.

Of what kind of materials is Pluto made?

Pluto is thought to be made of mostly ice. It probably also has a small rocky core which might contain some metals. The ice on the surface of Pluto is made of frozen nitrogen, methane and carbon monoxide. The ice covering Pluto reflects a lot of sunlight making it appear brighter than it would if it had been covered with a darker rocky material.

Who discovered the aerosol can?

The aerosol can was invented by Erik Rotheim in 1926. He patented the first version of the aerosol can, which revolutionized the packaging industry and led to a wide range of applications for various products.

Why were Uranus Neptune and Pluto discovered later?

because you can see them with the naked eye and through a telescope Both Uranus and Neptune are closer to us and much larger than Pluto. This, understandably, makes them easier to spot. Pluto was found some time later, after we had developed better telescopes.

Why is Pluto not considered a planet any more?

The IAU (International Astrology University) came up with three criteria that an object must meet in order to be considered a planet:

  1. The object must orbit the sun.
  2. The object must have strong enough gravity to pull itself into a nearly spherical shape
  3. The object must be able to clear its neighborhood of debris.

Pluto fails the third criterion and so is classified as a dwarf planet.

Is Uranus colder than Pluto?

No.

Uranus has some internal heat, generated by the slow decay of heavy isotopes within its core, and perhaps from gravitational tidal effects with its moons. The sun, however, generates considerable heat from the fusion of atomic nuclei within its core.

Most of the light we see from Uranus is reflected from our sun. Very little of it is its own internal infrared radiation.

Did Pluto get sucked up in a black hole?

No, Pluto has not been sucked up by a black hole. Pluto is a dwarf planet located in our solar system, while black holes are distant cosmic phenomena with intense gravitational pull. Pluto orbits the Sun and is not at risk of being sucked up by a black hole.

Does Pluto have cold water?

Pluto's surface temperature is around -375°F, so any water on its surface would likely exist in a frozen state. While some studies suggest that there may be subsurface oceans on Pluto, the extreme cold temperatures on the surface make liquid water unlikely.

Why did Pluto blow up?

It didn't. It's still there, orbiting just past Neptune.

It did get its category changed from "planet" to "dwarf planet" but that's just our words, nothing happened to Pluto itself.

What is Pluto's wind speeds?

Currently, there are signs of wind on Pluto, but no evidence yet, until the NASA spacecraft arrives there in 2015. To have "wind" on the surface of any planet requires the presence of an atmosphere. If an atmosphere exists, then there will be areas of higher and lower pressure and therefore a pressure gradient between the two points, hence a wind blows to equalise pressure overall. Given the outgassing that accompanies Pluto's closest approach to the Sun, there may be measurable flows of sublimated gases.

What is bigger the moon or pluto?

It depends, both moons and dwarf planets vary in size, and size is not the basis of classification. The largest moons in the solar system, including our own moon, are larger than the five recognized dwarf planets, but many moons are smaller.

What is the travel time it would take someone from earth to get to Pluto?

With modern space crafts about 20 years but maybe in the future scientists well make a new space craft that well get us there a lot sooner.

This planet sometimes crosses the orbital path of Neptune?

The planet that sometimes crosses the orbital path of Neptune is Pluto. Pluto's orbit is more elongated and tilted compared to the other planets in the solar system, leading to instances where it comes closer to the Sun than Neptune.